Pioneer Technical Services, Inc. offers a variety of professional geotechnical testing services and construction materials testing services to public, commercial, and residential construction industries. Working from a high standard of quality control we provide clients with accurate results needed for design and specification. We offer the following professional services to test construction materials:
Field Inspection – Construction Materials Testing – Geotechnical Testing (below)
We offer the following geotechnical laboratory services (laboratory locations and contact information):
Soil Strength Testing
- Unconfined Compressive Strength of Cohesive Soil – ASTM D2166/AASHTO T208
- Direct Shear Test of Soils Under Consolidated Drained Conditions – ASTM D3080
- Unconsolidated Undrained Triaxial Compression Test on Cohesive Soils – ASTM D4767
- Consolidated Undrained Triaxial Compression Test for Cohesive Soils – ASTM D4767
- Consolidated Drained Triaxial Compression Test for Cohesive Soils – ASTM D4767
Soil Permeability Testing
- Hydraulic Conductivity of Saturated Porous Materials using a Flexible Wall Permeameter, Falling Head Methods – ASTM D5084
- Permeability of Granular Soils (Constant Head) – ASTM D2434
- Hydraulic Conductivity of Porous Material using a Rigid-Wall, Compaction-Mold Permeameter – ASTM D5856
Soil Consolidation Testing
- One-Dimensional Consolidation of Soils – ASTM D2435
- One-Dimensional Swell or Settlement Potential of Cohesive Soils – ASTM D4546
General Soil Testing
- Particle-Size Distribution (Gradation) of Soils using Sieve Analysis – ASTM D6913
- Particle-Size Analysis of Soils (Hydrometer) – ASTM D422/AASHTO T88
- Atterberg Limits – ASTM D4318/AASHTO T88, T89
- Organic Content by Loss-on-Ignition – ASTM D2947/AASHTO T257
- Moisture Content and Unit Weight from Liner – ASTM D2216, D2937
- Moisture Content – ASTM D2216/AASHTO T265
- Dispersive Characteristics of Clay Soil by Double Hydrometer – ASTM D4221
- Identification of Dispersion Soils by the Pinhole Test – ASTM D4647
- Standard Proctor – ASTM D698, D558
- Modified Proctor – ASTM D1557, D558
- California Bearing Ratio (CBR) of Laboratory Compacted Soils – ASTM D1883/AASHTO T193
- Harvard Miniature Compaction – NEV T101F
- Specific Gravity and Absorption – ASTM D854/AASHTO T100
- Total Porosity – API RP40
- Soil Corrosivity Testing – MT232
Certifications and Laboratory Accreditations – NICET, ACI, AASHTO, ASTM, and WAQTC.